docs: def from_points_list(cls, points):
          """
          Create a rectangular mesh object from a list of lists of points.
          Lists in a list are supposed to have the same length.
  
          :param point:
              List of lists of :class:`~openquake.hazardlib.geo.point.Point`
              objects.
          """
          assert points is not None and len(points) > 0 and len(points[0]) > 0, \
              'list of at least one non-empty list of points is required'
          lons = numpy.zeros((len(points), len(points[0])), dtype=float)
          lats = lons.copy()
          depths = lons.copy()
          num_cols = len(points[0])
          for i, row in enumerate(points):
              assert len(row) == num_cols, \
                     'lists of points are not of uniform length'
              for j, point in enumerate(row):
                  lons[i, j] = point.longitude
                  lats[i, j] = point.latitude
                  depths[i, j] = point.depth
          if not depths.any():
              depths = None
          return cls(lons, lats, depths)